22151440313 has 2 divisors, whose sum is σ = 22151440314. Its totient is φ = 22151440312.

The previous prime is 22151440279. The next prime is 22151440343. The reversal of 22151440313 is 31304415122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18860352889 + 3291087424 = 137333^2 + 57368^2 .

It is a cyclic number.

It is not a de Polignac number, because 22151440313 - 2⁸ = 22151440057 is a prime.

It is not a weakly prime, because it can be changed into another prime (22151440343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075720156 + 11075720157.

It is an arithmetic number, because the mean of its divisors is an integer number (11075720157).

Almost surely, 2^22151440313 is an apocalyptic number.

It is an amenable number.

22151440313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151440313 is an equidigital number, since it uses as much as digits as its factorization.

22151440313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 22151440313 its reverse (31304415122), we get a palindrome (53455855435).

The spelling of 22151440313 in words is "twenty-two billion, one hundred fifty-one million, four hundred forty thousand, three hundred thirteen".